498a fir quash

you were arrested on the complain of your deceased wife It means she had deposed against you only then you were arrested , had she left any suicide note behind her if yes then what had written in that , had she given any dying declaration against you and the three others one if not and she had died then the court will convert her complaint to her dying declaration and you all will be charged for her murder u/s 498A , 302, 34 , 120B ipc. and no question to be quashed of fir or charge sheet . if your marriage is of below 7 years of time then you will be charged for 304B , 34,&120B ipc .